> ## Documentation Index
> Fetch the complete documentation index at: https://docs.clinikapi.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Allergies

> SDK reference for allergy and intolerance operations.

# clinik.allergies

Allergies represent a patient's known allergies and adverse reactions to substances, mapped to the FHIR `AllergyIntolerance` resource.

## create

```ts theme={null}
const { data, meta } = await clinik.allergies.create(request): Promise<ApiResponse<AllergyIntolerance>>
```

| Field                | Type                        | Required | Description                             |
| -------------------- | --------------------------- | -------- | --------------------------------------- |
| `patientId`          | `string`                    | Yes      | Patient ID                              |
| `clinicalStatus`     | `string`                    | No       | active, inactive, resolved              |
| `verificationStatus` | `string`                    | No       | unconfirmed, confirmed, refuted         |
| `type`               | `string`                    | No       | allergy or intolerance                  |
| `category`           | `string[]`                  | No       | food, medication, environment, biologic |
| `criticality`        | `string`                    | No       | low, high, unable-to-assess             |
| `code`               | `string \| CodeableConcept` | No       | What the allergy is to                  |
| `encounterId`        | `string`                    | No       | Encounter context                       |
| `onsetDateTime`      | `string`                    | No       | When the allergy started                |
| `onsetString`        | `string`                    | No       | Onset description                       |
| `recordedDate`       | `string`                    | No       | When recorded                           |
| `recorderId`         | `string`                    | No       | Practitioner who recorded               |
| `asserterId`         | `string`                    | No       | Who asserted the allergy                |
| `lastOccurrence`     | `string`                    | No       | Last occurrence date                    |
| `note`               | `string`                    | No       | Additional notes                        |
| `reaction`           | `Array`                     | No       | Adverse reactions                       |

### Reaction Fields

| Field           | Type       | Required | Description                      |
| --------------- | ---------- | -------- | -------------------------------- |
| `substance`     | `string`   | No       | Specific substance               |
| `manifestation` | `string[]` | Yes      | Clinical symptoms                |
| `description`   | `string`   | No       | Reaction description             |
| `onset`         | `string`   | No       | When the reaction occurred       |
| `severity`      | `string`   | No       | mild, moderate, severe           |
| `exposureRoute` | `string`   | No       | How the allergen was encountered |
| `note`          | `string`   | No       | Additional notes                 |

## Example

```ts theme={null}
const { data } = await clinik.allergies.create({
  patientId: 'pt_abc123',
  clinicalStatus: 'active',
  verificationStatus: 'confirmed',
  type: 'allergy',
  category: ['medication'],
  criticality: 'high',
  code: 'Penicillin',
  reaction: [{
    manifestation: ['Hives', 'Angioedema'],
    severity: 'severe',
  }],
});
```

## read / update / delete / search

Same pattern as other resources. Search supports `patientId`, `clinicalStatus`, `type`, `category`, `criticality`, `code` filters.